Created
April 13, 2016 23:04
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public class YRestriction : MonoBehaviour{ | |
public float padding = 1f; | |
private float ymin; | |
private float ymax; | |
//here we set our top and bottom barriers | |
void Start(){ | |
float distance = transform.position.z - Camera.main.transform.position.z; //not really necessary in 2D, but good habbit | |
//take the bottom-middle, to-middle point of our camera and get it's world coordinates | |
Vector3 buttomBarrier = Camera.main.ViewportToWorldPoint(new Vector3(0.5, 0, distance)); | |
Vector3 topBarrier = Camera.main.ViewportToWorldPoint(new Vector3(0.5, 0, distance)); | |
ymax = bottomBarrier.y + padding; | |
ymin = topBarrier.y - padding; | |
} | |
void Update(){ | |
float newY = Mathf.Clamp(transform.position.y, ymin, ymax); | |
transform.position = new Vector3(newy, transform.position.y, transform.position.z); | |
} | |
} |
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